Added/updated components to be isolated rectangles.

2026-06-17 07:48:07 +02:00
parent cccc4fb06c
commit 6605d86916
6 changed files with 489 additions and 49 deletions
@@ -0,0 +1,104 @@
+package simulator
+
+import rl "vendor:raylib"
+
+CPU_SECTION_H :: 100  // enough for 3 rows of labels
+REG_CELL_H :: 40  // fixed, won't grow with the panel
+
+gui_cpu :: proc(rect: rl.Rectangle, sim: ^Simulator) {
+	rl.DrawRectangleLinesEx(rect, 1, rl.GRAY)
+
+	bounds := rl.Rectangle {
+		x = rect.x + PADDING_X,
+		y = rect.y + PADDING_Y,
+		width = rect.width - (PADDING_X * 2),
+		height = rect.height - (PADDING_Y * 2),
+	}
+	rl.GuiPanel(bounds, "CPU / Registers")
+
+	cpu_rect := rl.Rectangle {
+		x      = bounds.x + PADDING_X,
+		y      = bounds.y + PADDING_Y + PANEL_HEADER,
+		width  = bounds.width - (PADDING_X * 2),
+		height = CPU_SECTION_H - (PADDING_Y * 2),
+	}
+
+	// Grid constants
+	COLS   :: 2
+	ROWS   :: 3
+	LRATIO :: f32(0.6)
+
+	cell_w := cpu_rect.width / COLS
+	cell_h := cpu_rect.height / ROWS
+
+	labels := [5]string{ "Progam Counter", "Increment pointer", "Stack Pointer", "Delay Timer", "Sound Timer" }
+	values := [5]u16{
+		sim.machine.pc,
+		sim.machine.i,
+		u16(sim.machine.sp),
+		u16(sim.machine.delay_timer),
+		u16(sim.machine.sound_timer),
+	}
+
+	for index in 0..<5 {
+		col := index % COLS
+		row := index / COLS
+
+        cell_x := cpu_rect.x + f32(col) * cell_w
+        cell_y := cpu_rect.y + f32(row) * cell_h
+
+        label_rect := rl.Rectangle{cell_x + 20, cell_y, cell_w,cell_h}
+        box_rect   := rl.Rectangle{cell_x + cell_w * LRATIO, cell_y, cell_w * (1 - LRATIO), cell_h}
+
+        rl.GuiLabel(label_rect, rl.TextFormat("%s", labels[index]))
+        rl.DrawRectangleLinesEx(box_rect, 1, rl.DARKGRAY)
+
+		// Right-aligned value
+		value_text := rl.TextFormat("0x%04X", values[index])
+		text_w     := rl.MeasureText(value_text, 18)
+		value_x    := box_rect.x + box_rect.width - f32(text_w) - 4
+		rl.GuiLabel({value_x, box_rect.y, box_rect.width, box_rect.height}, value_text)
+	}
+
+
+	register_bounds := rl.Rectangle {
+		x      = bounds.x,
+		y      = bounds.y + PANEL_HEADER + PADDING_Y + CPU_SECTION_H,
+		width  = bounds.width,
+		height = bounds.height - PANEL_HEADER - PADDING_Y - CPU_SECTION_H,
+	}
+	rl.GuiPanel(register_bounds, "Registers")
+
+	register_rect := rl.Rectangle {
+		x = register_bounds.x + PADDING_X,
+		y = register_bounds.y + PADDING_Y + PANEL_HEADER,
+		width = register_bounds.width - (PADDING_X * 2),
+		height = register_bounds.height - (PADDING_Y * 2) - PANEL_HEADER,
+	}
+
+	// V registers grid (V0–VF, 16 registers)
+	REG_COLS   :: 4
+	REG_ROWS   :: 4
+
+	reg_cell_w := register_rect.width  / REG_COLS
+
+	for index in 0..<16 {
+		col := index % REG_COLS
+		row := index / REG_COLS
+
+		cell_x := register_rect.x + f32(col) * reg_cell_w
+		cell_y := register_rect.y + f32(row) * REG_CELL_H
+
+		label_rect := rl.Rectangle{cell_x + 20, cell_y, reg_cell_w, REG_CELL_H}
+		box_rect   := rl.Rectangle{cell_x + reg_cell_w * LRATIO, cell_y, reg_cell_w * (1 - LRATIO), REG_CELL_H}
+
+		rl.GuiLabel(label_rect, rl.TextFormat("V%X", index))
+		rl.DrawRectangleLinesEx(box_rect, 1, rl.DARKGRAY)
+
+		// Right-aligned value
+		value_text := rl.TextFormat("0x%02X", sim.machine.v[index])
+		text_w     := rl.MeasureText(value_text, 18)
+		value_x    := box_rect.x + box_rect.width - f32(text_w) - 4
+		rl.GuiLabel({value_x, box_rect.y, box_rect.width, box_rect.height}, value_text)
+	}
+}